I forgot how to turn off the anti-theft. 1995 lincoln cont.

This happened once before but I can't get it this time. The anti-theft light is on, the engine turn over but won't fire. I think, by accident I kept put my # in the door combo thingy until it finally worked. tThere must be some kind of sequence. I got luck that time after 6 hours. I 've tried everything for two days now.

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Resetting a Vehicle Anti-Theft System
This is how you reset an anti theft system if you have the anti-theft light on, or your car is cranking, but you have no spark.

Doing a full reset of the anti-theft system.

Disconnect both battery leads for at least two hours.
Hold the negative and positive leads together for 5 minutes to fully discharge any power.
Put the key in the ignition, but not turned on. VERY IMPORTANT!
Connect the positive lead.
Connect the negative lead in one swift movement.
Wait 15 minutes for the system to fully reset.

I suspect there is a problem with the turn signal/ hazard switch. turn the turn signal on left or right, if it doesn't flash, grip the hazard button and gently wiggle it around, if the signals start flashing, replace the turn signal switch. The Brake lights are wired through the turn signal switch, if the 3rd brake light works, the brake switch is OK. I don't think it has anything to do with the anti theft system (at this time)

Many Ford trucks, vans and suvs use PATs (passive
anti-theft) keys. These keys prevent someone from copying your key to a
blank and using the blank. There is a small chip in the key which the
vehicle must recognize before it will start.PATS is Ford Motor
Company's passive anti theft system. In 1996 it started showing up on
select models of Ford and Lincoln Mercury vehicles. The keys for these
vehicles have a tiny radio frequency transponder imbedded in the plastic
Head. When you attempt to start the vehicle, the
onboard computer sends out a RF signal that is picked up by the
transponder in the key. The transponder then returns a unique RF signal
to the vehicle's computer, giving it the ok for the vehicle to start and
continue to run. This all happens in less than a second, and is
completely transparent to the vehicle operator. It is a very effective
system that does its job without the vehicle owner having to think about
it, or modify his / her usual routine.The PATs key is used on
the following Ford family trucks and SUVS:1998-up
F-1501998-up Expedition2000-up Excursion1998-up Explorer1998-up
Ranger1998-up Lincoln
Navigator1998-up Mercury Mountaineer

Additionally,
PATs can be found on the follow Ford family cars and
mini-vans:1998-up Contour1997-up Crown Victoria1999-up
Escort2000-up Focus1996-up
Mustang and Taurus1998-up Windstar1998-up 2000-up Lincoln LS1998-up
Lincoln Mark VIII, Lincoln Continental and Lincoln Town Car1997-up
Mercury Grand Marquis1998-up Mercury Mystique1996-up Mercury
SableFollowing are the instructions for programming a blank key
(you must have at least one working key for this procedure).The
PAT1. Make sure you have both keys.2. Turn on car but don't
start. Watch "theft" indicator untils it goes out.3. Turn off and
repeat procedure with second key.4. After "theft light goes out,
insert new key and turn on.5. Wait until the theft indicator goes
off and then turn off switch.6. Wait thirty seconds. New key is now
programmed into security module. Repeat for any other keys.

1.
Erase any old codes by entering the factory code.(buttons will light
up)2. Press 1/2 button within 5 seconds.3. Press 7/8 and 9/0
buttons at the same time within 5 seconds.

To set new
code:

1. Enter factory code (numbers will light up)2.
Press 1/2 button within 5 seconds.3. Enter personal 5 digit
code(decide beforehand) within 5 seconds of each previous one.To
unlock all the doors,press the 3/4 button within 5 seconds of the driver
door unlocking.To lock all doors and set alarm system,press 7/8 and
9/0 at the same time.To disarm or reset a triggered alarm,just
enter personal or factory code.

Do not set a code with five of
the same consecutive numbers. It's too easy for thieves to figure out.

Deactivating
and Activating Autolock

To deactivate the "autolock":With
all doors and tailgate closed but NOT locked,and ignition OFF.1.
Enter 5 digit code2. While holding 7/8 button in, press and release
the 3/4 button.3. Release 7/8 buttonThe horn will chirp once if
the "autolock" was deactivated or two times if "autolock" was
activated.

To reactivate the system,repeat steps 1 thru 3

Alternate
Method To Deactivate And Activate Autolock

Do steps [1]
through [5] (below) within 30 seconds or you'll have to do it over. If
you have to do it over, wait 30 seconds between attempts. Close all
doors securely.

1.Turn the ignition key to ON.

2.Press the power door UNLOCK control THREE times.

3.Turn
the ignition key from ON to OFF.

4.Press the power door UNLOCK
control THREE times.

5.Turn the ignition key back to ON .The
doors should lock and unlock.

6.Press the power door UNLOCK
control. The horn should chirp ONCE to confirm successful switching of
the autolock system.